//
//  Countdown.m
//  商互通
//
//  Created by hedui on 2016/12/2.
//  Copyright © 2016年 sdy. All rights reserved.
//

#import "Countdown.h"

@implementation Countdown

#pragma mark - 倒计时
+(void)StartTimeCodeBtn:(UIButton*)CodeBtn
{
    __block int timeout=59; //倒计时时间
    dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
    dispatch_source_t _timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0,queue);
    dispatch_source_set_timer(_timer,dispatch_walltime(NULL, 0),1.0*NSEC_PER_SEC, 0); //每秒执行
    dispatch_source_set_event_handler(_timer, ^{
        if(timeout<=0){ //倒计时结束，关闭
            dispatch_source_cancel(_timer);
            dispatch_async(dispatch_get_main_queue(), ^{
                //设置界面的按钮显示 根据自己需求设置
                [CodeBtn setTitle:@"获取验证码" forState:UIControlStateNormal];
                CodeBtn.userInteractionEnabled = YES;
            });
        }else{
            //            int minutes = timeout / 60;
            int seconds = timeout % 60;
            NSString *strTime = [NSString stringWithFormat:@"%.2d", seconds];
            dispatch_async(dispatch_get_main_queue(), ^{
                //设置界面的按钮显示 根据自己需求设置
                [CodeBtn setTitle:[NSString stringWithFormat:@"重新发送(%@)",strTime] forState:UIControlStateNormal];
                CodeBtn.userInteractionEnabled = NO;
                
            });
            timeout--;
            
        }
    });
    dispatch_resume(_timer);
    //肉
    
    
}


@end
